Latch for a sliding window



FIG. 1 is a top, front, and left side perspective view of a latch for a sliding window showing my new design, the broken-line disclosure of a portion of a window frame being for illustrative purposes only and forming no part of the claimed design;

FIG. 2 is a top plan view thereof, the bottom being a mirror image of that shown;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a rear elevational view thereof; and,

FIG. 6 is a left side elevational view thereof. 

The ornamental design for a latch for a sliding window, as shown and described. 